????????11??????????23??????????????(? ???)11??????23????????,????,????????????,???????

????,??,??????????????????????????,??????????????????????????????????????????????,??????????????,???????????????????????????

?????????????,??????????????????,???,?????,?????,??,?;??????????????????????????,????????????????,??,?????????????????????,?????????????

????,???????????????????????????????,???,???????(????????) ???????:??? ??“??????????”????

?? ???:?????????????????

????:1???????????:??????vx

2??????

3???????

4??????

5????????SPA

????????11??????????23??????????????(? ???)11??????23????????,????,????????????,???????

????,??,??????????????????????????,??????????????????????????????????????????????,??????????????,???????????????????????????

?????????????,??????????????????,???,?????,?????,??,?;??????????????????????????,????????????????,??,?????????????????????,?????????????

????,???????????????????????????????,???,???????(????????) ???????:???